#39; dissolves in solution of a mixture of '$B#39; and '$C#39; with their respective number of moles as $\ma. Tags and topics: JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Solutions,Concentration Terms, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry."> #39; dissolves in solution of a mixture of '$B#39; and '$C#39; with their respective number of moles as $\ma. Tags and topics: JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Solutions,Concentration Terms, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry."> #39; dissolves in solution of a mixture of '$B#39; and '$C#39; with their respective number of moles as $\ma. Tags and topics: JEE MAIN,JEE Advanced,JEE Mains,NCERT,NEET,Solutions,Concentration Terms, Class 11 Chemistry,Class 12 Chemistry,JEE Main Chemistry.">
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Question

If a substance '$A$' dissolves in solution of a mixture of '$B$' and '$C$' with their respective number of moles as $\mathrm{n}_{\mathrm{A}}, \mathrm{n}_{\mathrm{B}}$ and $\mathrm{n}_{\mathrm{C}_3}$. Mole fraction of $\mathrm{C}$ in the solution is

$\frac{n_C}{n_A \times n_B \times n_C}$
$\frac{n_B}{n_A+n_B}$
$\frac{n_C}{n_A+n_B+n_C}$
$\frac{n_C}{n_A-n_B-n_C}$

Solution

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